Electrical plug adaptor



FIG. 1 is a top, front, right perspective view of an electrical plug adaptor, showing our new design;

FIG. 2 is a bottom, rear, left perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The equal-length broken lines in the drawings depict portions of the electrical plug adaptor that form no part of the claimed design. 

CLAIM The ornamental design for an electrical plug adaptor, as shown and described. 